Magic Mouse and Boot Camp

Hi, i was using my magic mouse with boot camp perfectly and now after installing something the mouse doesnt work wtih boot, it shows up as connected mouse but i cant use it...

i have tried re installing drivers and everything but now i need your help

Installed what is the question.

Go into Control Panel >Devices and right click the Magic Mouse icon to get properties and see if you can activate it from there.

already tried that and it doenst work.